public StatementPrefetch::fetchCol($index = 0)
Returns an entire single column of a result set as an indexed array.
Note that this method will run the result set to the end.
Parameters
$index: The index of the column number to fetch.
Return value
An indexed array, or an empty array if there is no result set.
Overrides StatementInterface::fetchCol
File
- core/lib/Drupal/Core/Database/StatementPrefetch.php, line 481
Class
- StatementPrefetch
- An implementation of StatementInterface that prefetches all data.
Namespace
Drupal\Core\Database
Code
public function fetchCol($index = 0) { if (isset($this->columnNames[$index])) { $result = array(); // Traverse the array as PHP would have done. while (isset($this->currentRow)) { $result[] = $this->currentRow[$this->columnNames[$index]]; $this->next(); } return $result; } else { return array(); } }
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